Fluent Design GitHub Repositories (2026) · Open Source Tools

Free and open-source software that allows users to set animated desktop wallpapers and screensavers powered by WinUI 3.

A modern file manager that helps users organize their files and folders.

The modern Flyout app for Windows 11, built with Fluent 2 Design principles. Media Flyouts, Taskbar Widgets and more.

ReaLTaiizor is a .NET WinForms control library that offers a wide range of components and is user-friendly and design-focused.

FluentQt (Fluent-Qt): Fluent / WinUI-style Qt Widgets UI components and Gallery for native C++ desktop apps, with optional PySide6 bindings and WebAssembly.

This app demonstrates the controls available in WinUI and the Fluent Design System.

WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

A multi-framework control library of https://github.com/microsoft/fluentui-system-icons

Telegram for Windows

Modern styles and controls for your WPF applications

Effortlessly transform your Windows desktop with macOS - inspired dynamic wallpapers based on the sun's position, featuring low resource use and seamless integration!

Future version of MCSL, a brand new server management tool. Redefined, Versatile, Easy to use. (WPF Launcher & Daemon)

A modern, open-source BitTorrent client for Windows 11, built with WinUI 3.

Office-style Ribbon control for Uno Platform: adaptive layouts, contextual tabs, backstage, Quick Access Toolbar, KeyTips, galleries, theming and full MVVM support.

Built-in Mail & Calendars app clone for Windows.